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Introduction
App (Japanese)
CardDrill Manual (J)
Marker Player Manual (J)
Metro’n Drums Manual (J)
App (English)
CardDrill Manual (E)
Marker Player Manual (E)
Metro’n Drums Manual (E)
Privacy Policy
プライバシーポリシー
App for iOS, iPad (English)
CardDrill
simple flash-card
Apple App Store …
Manual